Bolts and Nuts / hexagon socket bolt

Hexagon Socket Bolt

High-strength cylindrical-head hexagon socket bolts for compact, high-load assemblies.

Product Specifications

Material12.9 grade alloy steel

Size RangeM1.4–M100 reference range

StandardDIN 912-1983

FinishBlack finish

Technical Data

Nominal d	Thread Pitch P	b	dk max	dk min	ds ≈ d max	ds ≈ d min	k max	k min	s max	s min	t
M1.4	0.3	14	2.74	2.46	1.4	1.26	1.4	1.26	1.36	1.32	0.6
M1.6	0.35	15	3.14	2.86	1.6	1.46	1.6	1.46	1.56	1.52	0.7
M2	0.4	16	3.98	3.62	2	1.86	2	1.86	1.56	1.52	1
M2.5	0.45	17	4.68	4.32	2.5	2.36	2.5	2.36	2.06	2.02	1.1
M3	0.5	18	5.68	5.32	3	2.86	3	2.86	2.58	2.52	1.3
M4	0.7	20	7.22	6.78	4	3.82	4	3.82	3.08	3.02	2
M5	0.8	22	8.72	8.28	5	4.82	5	4.82	4.095	4.02	2.5
M6	1	24	10.22	9.78	6	5.82	6	5.7	5.14	5.02	3
M8	1 / 1.25	28	13.27	12.73	8	7.78	8	7.64	6.14	6.02	4
M10	1 / 1.25 / 1.5	32	16.27	15.73	10	9.78	10	9.64	8.175	8.025	5
M12	1.25 / 1.5 / 1.75	36	18.27	17.73	12	11.73	12	11.57	10.175	10.025	6
M14	1.5 / 2	40	21.33	20.67	14	13.73	14	13.57	12.212	12.032	7
M16	1.5 / 2	44	24.33	23.67	16	15.73	16	15.57	14.212	14.032	8
M18	1.5 / 2 / 2.5	48	27.33	26.67	18	17.73	18	17.57	14.212	14.032	9
M20	1.5 / 2 / 2.5	52	30.33	29.67	20	19.67	20	19.48	17.23	17.05	10
M22	1.5 / 2 / 2.5	56	33.39	32.61	22	21.67	22	21.48	17.23	17.05	11
M24	2 / 3	60	36.39	35.61	24	23.67	24	23.48	19.275	19.065	12
M27	2 / 3	66	40.39	39.61	27	26.67	27	26.48	19.275	19.065	13.5
M30	2 / 3.5	72	45.39	44.61	30	29.67	30	29.48	22.275	22.065	15.5
M33	2 / 3.5	78	50.39	49.61	33	32.61	33	32.38	24.275	24.065	18
M36	3 / 4	84	54.46	53.54	36	35.61	36	35.38	27.275	27.065	19
M42	3 / 4.5	96	63.46	62.54	42	41.61	42	41.38	32.33	32.08	24
M48	3 / 5	108	72.46	71.54	48	47.61	48	47.38	36.33	36.08	28
M56	4 / 5.5	124	84.54	83.46	56	55.54	56	55.26	41.33	41.08	34
M64	4 / 6	140	96.54	95.46	64	63.54	64	63.26	46.33	46.08	38
M72	4 / 6	156	108.54	107.46	72	71.54	72	71.26	55.4	55.1	43
M80	4 / 6	172	120.54	119.46	80	79.54	80	79.26	65.4	65.1	48
M90	4 / 6	192	135.63	134.37	90	89.46	90	89.13	75.4	75.1	54
M100	4 / 6	212	150.63	149.37	100	99.46	100	99.13	85.47	85.12	60

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